Table of Contents

Volume I: Introduction; Part I. On the Descent of Man: 1. The evidence of the descent of man from some lower form; 2. Comparison of the mental powers of man and the lower animals; 3. Comparison of the mental powers of man and the lower animals (continued); 4. On the manner of development of man from some lower form; 5. On the development of the intellectual and moral faculties during primeval and civilised times; 6. On the affinities and genealogy of man; 7. On the races of man; Part II. Sexual Selection: 8. Principles of sexual selection; 9. Secondary sexual characters in the lower classes of the animal kingdom; 10. Secondary sexual characters of insects; 11. Insects (continued)–Order lepidoptera; Volume II: Part II. Sexual Selection (continued): 12. Secondary sexual characters of fishes, amphibians and reptiles; 13. Secondary sexual characters of birds; 14. Birds (continued); 15. Birds (continued); 16. Birds (concluded); 17. Secondary sexual characters of mammals; 18. Secondary sexual characters of mammals (continued); 19. Secondary sexual characters of man; 20. Secondary sexual characters of man (continued); 21. General summary and conclusion; Index.